Base | Representation |
---|---|
bin | 1101000111000… |
… | …10001010011110 |
3 | 21122221110211021 |
4 | 12203202022132 |
5 | 211123301040 |
6 | 14525114354 |
7 | 2503541233 |
oct | 643421236 |
9 | 248843737 |
10 | 109978270 |
11 | 57097336 |
12 | 309b89ba |
13 | 19a284cc |
14 | 1086b78a |
15 | 99c624a |
hex | 68e229e |
109978270 has 64 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 38638080.
The previous prime is 109978247. The next prime is 109978273. The reversal of 109978270 is 72879901.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109978273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254955 + ... + 255385.
It is an arithmetic number, because the mean of its divisors is an integer number (3499200).
Almost surely, 2109978270 is an apocalyptic number.
109978270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109978270 is an abundant number, since it is smaller than the sum of its proper divisors (113970530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109978270 is a wasteful number, since it uses less digits than its factorization.
109978270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553.
The product of its (nonzero) digits is 63504, while the sum is 43.
The square root of 109978270 is about 10487.0524934321. The cubic root of 109978270 is about 479.1104328547.
The spelling of 109978270 in words is "one hundred nine million, nine hundred seventy-eight thousand, two hundred seventy".
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